1. 1 Nassau Community CollegeProf. Vincent Costa Acknowledgements: An Introduction to Programming Using Visual Basic 2012, All Rights ReservedAn Introduction to Programming Using Visual Basic 2012 international, open membership, not- for-profit technology standards consortium. Session 1 Introduction Pearson Custom Computer Science CSC 104 Nassau Community College CSC 104 Programming Logic and Problem Solving

2. 2 Nassau Community CollegeProf. Vincent Costa Acknowledgements: An Introduction to Programming Using Visual Basic 2012, All Rights ReservedAn Introduction to Programming Using Visual Basic 2012 international, open membership, not- for-profit technology standards consortium. 2 Chapter 1 - An Introduction to Computers and Problem Solving 1.1 An Introduction to Computing and Visual Basic 1.2 Program Development Cycle 1.3 Programming Tools

3. 3 Nassau Community CollegeProf. Vincent Costa Acknowledgements: An Introduction to Programming Using Visual Basic 2012, All Rights ReservedAn Introduction to Programming Using Visual Basic 2012 international, open membership, not- for-profit technology standards consortium. 3 1.1 An Introduction to Computing and Visual Basic Our First Application Miscellaneous Questions What do you think?

4. 4 Nassau Community CollegeProf. Vincent Costa Acknowledgements: An Introduction to Programming Using Visual Basic 2012, All Rights ReservedAn Introduction to Programming Using Visual Basic 2012 international, open membership, not- for-profit technology standards consortium. 4 Communicating with the Computer Machine language – low level, hard for humans to understand Visual Basic – high level, understood by humans, consists of instructions such as Click, If, and Do

5. 5 Nassau Community CollegeProf. Vincent Costa Acknowledgements: An Introduction to Programming Using Visual Basic 2012, All Rights ReservedAn Introduction to Programming Using Visual Basic 2012 international, open membership, not- for-profit technology standards consortium. 5 Programming and Complicated Tasks Tasks are broken down into instructions that can be expressed by a programming language A program is a sequence of instructions Programs can be only a few instructions or millions of lines of instructions

6. 6 Nassau Community CollegeProf. Vincent Costa Acknowledgements: An Introduction to Programming Using Visual Basic 2012, All Rights ReservedAn Introduction to Programming Using Visual Basic 2012 international, open membership, not- for-profit technology standards consortium. 6 All Programs Have in Common: Take data and manipulate it to produce a result Input – Process – Output – Input – from files, the keyboard, or other input device – Output – usually to the monitor, a printer, or a file

7. 7 Nassau Community CollegeProf. Vincent Costa Acknowledgements: An Introduction to Programming Using Visual Basic 2012, All Rights ReservedAn Introduction to Programming Using Visual Basic 2012 international, open membership, not- for-profit technology standards consortium. 7 Hardware and Software Hardware – the physical components of the computer – Central processing unit – Disk drive – Monitor Software – the instructions that tell the computer what to do

8. 8 Nassau Community CollegeProf. Vincent Costa Acknowledgements: An Introduction to Programming Using Visual Basic 2012, All Rights ReservedAn Introduction to Programming Using Visual Basic 2012 international, open membership, not- for-profit technology standards consortium. 8 Programmer and User Programmer – the person who solves the problem and writes the instructions for the computer User – any person who uses the program written by the programmer

9. 9 Nassau Community CollegeProf. Vincent Costa Acknowledgements: An Introduction to Programming Using Visual Basic 2012, All Rights ReservedAn Introduction to Programming Using Visual Basic 2012 international, open membership, not- for-profit technology standards consortium. 9 Visual Basic 2012 BASIC originally developed at Dartmouth in the early 1960s Visual Basic created by Microsoft in 1991 Visual Basic 2012 is similar to original Visual Basic, but more powerful

10. 10 Nassau Community CollegeProf. Vincent Costa Acknowledgements: An Introduction to Programming Using Visual Basic 2012, All Rights ReservedAn Introduction to Programming Using Visual Basic 2012 international, open membership, not- for-profit technology standards consortium. 10 Vista vs Windows 7 & 8 Vista Windows 7 Windows 8

11. 11 Nassau Community CollegeProf. Vincent Costa Acknowledgements: An Introduction to Programming Using Visual Basic 2012, All Rights ReservedAn Introduction to Programming Using Visual Basic 2012 international, open membership, not- for-profit technology standards consortium. 11 1.2 Program Development Cycle Performing a Task on the Computer Program Planning

12. 12 Nassau Community CollegeProf. Vincent Costa Acknowledgements: An Introduction to Programming Using Visual Basic 2012, All Rights ReservedAn Introduction to Programming Using Visual Basic 2012 international, open membership, not- for-profit technology standards consortium. 12 Terminology A computer program may also be called: – Project – Application – Solution

13. 13 Nassau Community CollegeProf. Vincent Costa Acknowledgements: An Introduction to Programming Using Visual Basic 2012, All Rights ReservedAn Introduction to Programming Using Visual Basic 2012 international, open membership, not- for-profit technology standards consortium. 13 Program Development Cycle Software refers to a collection of instructions for the computer The computer only knows how to do what the programmer tells it to do Therefore, the programmer has to know how to solve problems

14. 14 Nassau Community CollegeProf. Vincent Costa Acknowledgements: An Introduction to Programming Using Visual Basic 2012, All Rights ReservedAn Introduction to Programming Using Visual Basic 2012 international, open membership, not- for-profit technology standards consortium. 14 Performing a Task on the Computer Determine Output Identify Input Determine process necessary to turn given Input into desired Output

15. 15 Nassau Community CollegeProf. Vincent Costa Acknowledgements: An Introduction to Programming Using Visual Basic 2012, All Rights ReservedAn Introduction to Programming Using Visual Basic 2012 international, open membership, not- for-profit technology standards consortium. 15 Problem-Solving: Approach Like Algebra Problem How fast is a car traveling if it goes 50 miles in 2 hours? Output: a number giving the speed in miles per hour Input: the distance and time the car has traveled Process: speed = distance / time

16. 16 Nassau Community CollegeProf. Vincent Costa Acknowledgements: An Introduction to Programming Using Visual Basic 2012, All Rights ReservedAn Introduction to Programming Using Visual Basic 2012 international, open membership, not- for-profit technology standards consortium. 16 Pictorial representation of the Problem Solving Process

17. 17 Nassau Community CollegeProf. Vincent Costa Acknowledgements: An Introduction to Programming Using Visual Basic 2012, All Rights ReservedAn Introduction to Programming Using Visual Basic 2012 international, open membership, not- for-profit technology standards consortium. 17 Program Planning A recipe is a good example of a plan Ingredients and amounts are determined by what you want to bake Ingredients are input The way you combine them is the processing What is baked is the output

18. 18 Nassau Community CollegeProf. Vincent Costa Acknowledgements: An Introduction to Programming Using Visual Basic 2012, All Rights ReservedAn Introduction to Programming Using Visual Basic 2012 international, open membership, not- for-profit technology standards consortium. 18 Program Planning (continued) Always have a plan before trying to write a program The more complicated the problem, the more complex the plan must be Planning and testing before coding saves time

19. 19 Nassau Community CollegeProf. Vincent Costa Acknowledgements: An Introduction to Programming Using Visual Basic 2012, All Rights ReservedAn Introduction to Programming Using Visual Basic 2012 international, open membership, not- for-profit technology standards consortium. 19 Program Development Cycle 1.Analyze: Define the problem 2.Design: Plan the solution to the problem 3.Choose the interface: Select the objects (text boxes, buttons, etc.)

20. 20 Nassau Community CollegeProf. Vincent Costa Acknowledgements: An Introduction to Programming Using Visual Basic 2012, All Rights ReservedAn Introduction to Programming Using Visual Basic 2012 international, open membership, not- for-profit technology standards consortium. 20 Program Development Cycle (continued) 4.Code: Translate the algorithm into a programming language 5.Test and debug: Locate and remove any errors in the program 6.Complete the documentation: Organize all the materials that describe the program

21. 21 Nassau Community CollegeProf. Vincent Costa Acknowledgements: An Introduction to Programming Using Visual Basic 2012, All Rights ReservedAn Introduction to Programming Using Visual Basic 2012 international, open membership, not- for-profit technology standards consortium. Homework Complete the Scavenger Hunt Due next class Let me know if there are any issues